TL431
Rev.F Mar.-2016
DATA SHEET
极限参数 / Absolute Maximum Ratings(Ta=25℃)
参数
Parameter
Cathode to Anode Voltage
Cathode Current Range, Continuous
Reference Input Current Range, Continuous
Power Dissipation
Operating Ambient Temperature
Junction Temperature
Storage Temperature Range
符号
Symbol
VKA
IK
IREF
PD
Tamb
Tj
Tstg
电性能参数 / Electrical Characteristics(Ta=25℃)
数值
Rating
37
-100~+100
0.05~+10
770
-40~125
150
-65~150
单位
Unit
V
mA
mA
mW
℃
℃
℃
参数
Parameter
Reference Input Voltage
Deviation of Reference
Input Voltage Over-
Temperature
Ratio of Change in
Reference Input Voltage
to the Change in Cathode
Voltage
Reference Input current
Deviation of Reference
Input Current Over Full
Temperature Range
Minimum Cathode Current
for Regulation
Off-state cathode current
Dynamic impedance
符号
Symbol
VREF
△VREF
/△T
△VREF
/△VKA
IREF
△IREF/
△T
IK(min)
IK(off)
|ZKA|
测试条件
Test Conditions
VKA=VREF
IK=10mA(A=0.5%)
VKA=VREF
IK=10mA(B=1%)
VKA=VREF
IK=10mA(2%)
VKA=VREF IK=10mA
TA=-40~125℃
IK=10mA,
△VKA =10V to VREF
IK=10mA,
△VKA =36V to 10V
IK=10mA R1=10KΩ
R2=open
IK=10mA R1=10KΩ,
R2=open
TA=-40~125℃
VKA=VREF
VKA=36V VREF=0V
VKA=VREF f≤1.0KHz
IK=1mA to 100mA
最小值 典型值 最大值
Min
Typ
Max
2.483 2.495 2.507
2.470 2.495 2.520
2.445 2.495 2.545
4.5
25
-1
-2.7
-0.5 -2.0
0.8
1.0
0.4
1.2
0.05 0.08
0.05
1.0
0.15
0.5
单位
Unit
V
V
V
mV
mV/V
mV/V
μA
μA
mA
μA
Ω
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